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已知函数f(x)的导函数为f′(x)=2+cosx,x∈(-1,1),且f(0)...
已知函数f(x)的导函数为f′(x)=2+cosx,x∈(-1,1),且f(0)=0,如果f(1-x)+f(1-x
2)<0,则实数x的取值范围为( )
A.(0,1)
B.
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C.
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D.
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